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mpeg4videodec: move mpeg4-specific bug detection from h263 generic code to mpeg4

This commit is contained in:
Anton Khirnov 2013-11-26 12:40:13 +01:00
parent 48e1394095
commit b452d5ae86
2 changed files with 86 additions and 85 deletions
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85
libavcodec/h263dec.c
View File

@ -461,80 +461,11 @@ int ff_h263_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
avctx->has_b_frames = !s->low_delay;
if (s->xvid_build == -1 && s->divx_version == -1 && s->lavc_build == -1) {
if (s->stream_codec_tag == AV_RL32("XVID") ||
s->codec_tag == AV_RL32("XVID") ||
s->codec_tag == AV_RL32("XVIX") ||
s->codec_tag == AV_RL32("RMP4") ||
s->codec_tag == AV_RL32("ZMP4") ||
s->codec_tag == AV_RL32("SIPP"))
s->xvid_build = 0;
}
if (s->xvid_build == -1 && s->divx_version == -1 && s->lavc_build == -1)
if (s->codec_tag == AV_RL32("DIVX") && s->vo_type == 0 &&
s->vol_control_parameters == 0)
s->divx_version = 400; // divx 4
if (s->xvid_build >= 0 && s->divx_version >= 0) {
s->divx_version =
s->divx_build = -1;
}
if (s->workaround_bugs & FF_BUG_AUTODETECT) {
if (s->codec_tag == AV_RL32("XVIX"))
s->workaround_bugs |= FF_BUG_XVID_ILACE;
if (s->codec_tag == AV_RL32("UMP4"))
s->workaround_bugs |= FF_BUG_UMP4;
if (s->divx_version >= 500 && s->divx_build < 1814)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA;
if (s->divx_version > 502 && s->divx_build < 1814)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA2;
if (s->xvid_build <= 3U)
s->padding_bug_score = 256 * 256 * 256 * 64;
if (s->xvid_build <= 1U)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA;
if (s->xvid_build <= 12U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->xvid_build <= 32U)
s->workaround_bugs |= FF_BUG_DC_CLIP;
#define SET_QPEL_FUNC(postfix1, postfix2) \
s->dsp.put_ ## postfix1 = ff_put_ ## postfix2; \
s->dsp.put_no_rnd_ ## postfix1 = ff_put_no_rnd_ ## postfix2; \
s->dsp.avg_ ## postfix1 = ff_avg_ ## postfix2;
if (s->lavc_build < 4653U)
s->workaround_bugs |= FF_BUG_STD_QPEL;
if (s->lavc_build < 4655U)
s->workaround_bugs |= FF_BUG_DIRECT_BLOCKSIZE;
if (s->lavc_build < 4670U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->lavc_build <= 4712U)
s->workaround_bugs |= FF_BUG_DC_CLIP;
if (s->divx_version >= 0)
s->workaround_bugs |= FF_BUG_DIRECT_BLOCKSIZE;
if (s->divx_version == 501 && s->divx_build == 20020416)
s->padding_bug_score = 256 * 256 * 256 * 64;
if (s->divx_version < 500U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->divx_version >= 0)
s->workaround_bugs |= FF_BUG_HPEL_CHROMA;
}
if (s->workaround_bugs & FF_BUG_STD_QPEL) {
SET_QPEL_FUNC(qpel_pixels_tab[0][5], qpel16_mc11_old_c)
SET_QPEL_FUNC(qpel_pixels_tab[0][7], qpel16_mc31_old_c)
@ -551,22 +482,6 @@ int ff_h263_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
SET_QPEL_FUNC(qpel_pixels_tab[1][15], qpel8_mc33_old_c)
}
if (avctx->debug & FF_DEBUG_BUGS)
av_log(s->avctx, AV_LOG_DEBUG,
"bugs: %X lavc_build:%d xvid_build:%d divx_version:%d divx_build:%d %s\n",
s->workaround_bugs, s->lavc_build, s->xvid_build,
s->divx_version, s->divx_build, s->divx_packed ? "p" : "");
#if HAVE_MMX
if (s->codec_id == AV_CODEC_ID_MPEG4 && s->xvid_build >= 0 &&
avctx->idct_algo == FF_IDCT_AUTO &&
(av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
avctx->idct_algo = FF_IDCT_XVIDMMX;
ff_dct_common_init(s);
s->picture_number = 0;
}
#endif
/* After H263 & mpeg4 header decode we have the height, width,
* and other parameters. So then we could init the picture.
* FIXME: By the way H263 decoder is evolving it should have

86
libavcodec/mpeg4videodec.c
View File

@ -2403,6 +2403,92 @@ end:
s->low_delay = 1;
s->avctx->has_b_frames = !s->low_delay;
if (s->xvid_build == -1 && s->divx_version == -1 && s->lavc_build == -1) {
if (s->stream_codec_tag == AV_RL32("XVID") ||
s->codec_tag == AV_RL32("XVID") ||
s->codec_tag == AV_RL32("XVIX") ||
s->codec_tag == AV_RL32("RMP4") ||
s->codec_tag == AV_RL32("ZMP4") ||
s->codec_tag == AV_RL32("SIPP"))
s->xvid_build = 0;
}
if (s->xvid_build == -1 && s->divx_version == -1 && s->lavc_build == -1)
if (s->codec_tag == AV_RL32("DIVX") && s->vo_type == 0 &&
s->vol_control_parameters == 0)
s->divx_version = 400; // divx 4
if (s->xvid_build >= 0 && s->divx_version >= 0) {
s->divx_version =
s->divx_build = -1;
}
if (s->workaround_bugs & FF_BUG_AUTODETECT) {
if (s->codec_tag == AV_RL32("XVIX"))
s->workaround_bugs |= FF_BUG_XVID_ILACE;
if (s->codec_tag == AV_RL32("UMP4"))
s->workaround_bugs |= FF_BUG_UMP4;
if (s->divx_version >= 500 && s->divx_build < 1814)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA;
if (s->divx_version > 502 && s->divx_build < 1814)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA2;
if (s->xvid_build <= 3U)
s->padding_bug_score = 256 * 256 * 256 * 64;
if (s->xvid_build <= 1U)
s->workaround_bugs |= FF_BUG_QPEL_CHROMA;
if (s->xvid_build <= 12U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->xvid_build <= 32U)
s->workaround_bugs |= FF_BUG_DC_CLIP;
if (s->lavc_build < 4653U)
s->workaround_bugs |= FF_BUG_STD_QPEL;
if (s->lavc_build < 4655U)
s->workaround_bugs |= FF_BUG_DIRECT_BLOCKSIZE;
if (s->lavc_build < 4670U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->lavc_build <= 4712U)
s->workaround_bugs |= FF_BUG_DC_CLIP;
if (s->divx_version >= 0)
s->workaround_bugs |= FF_BUG_DIRECT_BLOCKSIZE;
if (s->divx_version == 501 && s->divx_build == 20020416)
s->padding_bug_score = 256 * 256 * 256 * 64;
if (s->divx_version < 500U)
s->workaround_bugs |= FF_BUG_EDGE;
if (s->divx_version >= 0)
s->workaround_bugs |= FF_BUG_HPEL_CHROMA;
}
#if HAVE_MMX
if (s->codec_id == AV_CODEC_ID_MPEG4 && s->xvid_build >= 0 &&
s->avctx->idct_algo == FF_IDCT_AUTO &&
(av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
s->avctx->idct_algo = FF_IDCT_XVIDMMX;
ff_dct_common_init(s);
s->picture_number = 0;
}
#endif
if (s->avctx->debug & FF_DEBUG_BUGS)
av_log(s->avctx, AV_LOG_DEBUG,
"bugs: %X lavc_build:%d xvid_build:%d divx_version:%d divx_build:%d %s\n",
s->workaround_bugs, s->lavc_build, s->xvid_build,
s->divx_version, s->divx_build, s->divx_packed ? "p" : "");
return decode_vop_header(ctx, gb);
}